<? 

	$email = 'mail@mail.com';
	
	echo "mail: <strong>$email</strong><br />";
	
	echo preg_match("/[a-zA-Z0-9\.\-\_]+\@[a-zA-Z0-9\.\-\_]+\.[a-zA-Z0-9\.\-\_]{2,3}/", $email);
	